Re: [PATCH 5/6] drm/rockchip: vop: report error when check resource error

From: Sandy Huang
Date: Thu Aug 03 2017 - 20:57:21 EST


Hi mark,

å 2017/7/31 17:49, Mark Yao åé:
The user would be confused while facing a error commit without
any error report.

Signed-off-by: Mark Yao <mark.yao@xxxxxxxxxxxxxx>
---
drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
index fa0d9f7..999c2e0 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
@@ -674,8 +674,10 @@ static int vop_plane_atomic_check(struct drm_plane *plane,
* Src.x1 can be odd when do clip, but yuv plane start point
* need align with 2 pixel.
*/
- if (is_yuv_support(fb->format->format) && ((state->src.x1 >> 16) % 2))
+ if (is_yuv_support(fb->format->format) && ((state->src.x1 >> 16) % 2)) {
+ DRM_ERROR("Invalid Source: Yuv format not support odd xpos\n");
return -EINVAL;
+ }
return 0;
}


Reviewed-by: Sandy huang <sandy.huang@xxxxxxxxxxxxxx>